From many years the quality systems and the occupational prevention have been compared and connected both on theoretical and practical fields. The opportunity to discuss again and to deepen these themes appears to be mandatory to be able to govern the new working processes which shall follow the worldwide financial and productive crisis of last period and in our country to try to adequately apply the preventive norms 81/08 and 106/09. In this contribution we will deal with quality systems more intertwined with prevention (ISO 14000, EMAS, SA8000 and OHSAS 18001 and discuss in particular the role of with occupational physician in his meaning of global consultant for enterprise, a crucial technical figure in a typical multidisciplinary process as the implementation of the quality systems...